A major source of this trouble is unknown. However, it can be corrected using the registry editor with the following steps.
- 1.Unplug the device (CU-8021, etc.) from the USB port.
- 2.Boot your PC in the normal mode.
- 3.On the Start menu, click Run.... Enter “regedit” in the Open box and start the registry editor.
- 4.Remove the entry folder VID_076D&PID_0006 as shown below. At this time, all the folders such as INTS_0 included in the lower layers, if any, shall be removed.
- My computer
+ VID_076D&PID_0006 ← Delete this folder.
- 5.Exit the registry editor and reboot your PC.
- 6.After logging in your rebooted PC, replug the device unplugged in Step 1 into the USB port and try to install the driver again